Female Negative Sans

Appearance: Overall Impression Negative Sans (NegativeTale Sans), in this female interpretation, appears as a stylized humanoid skeleton character with a compact but curvy body shape, sharp visual motifs, and a contrast-heavy red, white, and black palette. Her design shifts between two canonical clothing states: the outer outfit on the left image and the inner outfit on the right image. Across both, her posture and facial expressions convey calm confidence, a sense of composure, and a faintly teasing or self-assured presence through light smirks and peace-sign gestures.

Hair Her hair is thick, fluffy, and angular, forming broad, choppy tufts with a stylized, almost flame-like silhouette. In both designs the base color is white, but the inner hair sections near the bangs include red streaks or shading that emphasizes depth and shape. The right image exaggerates this further with large, saturated red flare-like shapes toward the back of the head, giving her hair a more dynamic, flame-ridden aesthetic.

Head Shape and Skull Features Though she is based on Sans, her head is rendered more like a stylized humanoid skull blended with soft anime-like outlines rather than a realistic skeleton. The chin and jaw are minimized, keeping the overall head shape compact and smooth. No nose is drawn, consistent with Sans’ skeletal features. She retains the series-specific motif of one damaged or cracked area of the skull; in the right image especially, the top of her head shows red patch-like markings that resemble scarring, splatters, or magical burns, visually harmonizing with the reference detail of Sans’ canonical skull crack.

Eyes Her eyes are narrow and horizontally slanted, giving a tired yet sharp appearance. The irises are red with heavy upper eyelid lines, making the gaze look intense but half-lidded. The left eye in particular is heavily shadowed or tinted, referencing the canonical detail that Negative Sans has an injured or removed left eye. It does not glow and instead appears consistently dim or closed further than the right.

Facial Expression Both outfits show her with a faint, confident smirk. She does not display wide emotion; her expression stays relaxed, self-controlled, and knowingly composed. Her raised eyebrows and the relaxed curve of her eyelids add to the impression of quiet amusement or a teasing calm.

Neck and Collar Area She has a visible neck structure unlike the original skeleton Sans. In the outer outfit, the neck is mostly concealed under a large red scarf that folds upward, creating a high, protective collar silhouette. In the inner outfit, her neck is exposed and slender, with long, visible lines extending down to the collarbone, giving the body more anatomical definition.

Torso – Outer Outfit The outer outfit consists of a layered, heavy jacket-coat combining deep red and dark grey. The coat has stylized cross symbols prominently featured on the front, consistent with NegativeTale’s theme of opposites and altered motifs. The jacket flares outward at the bottom with solid structure, suggesting thick fabric or armor-like padding. Dark gloves cover her hands, leaving only her fingers exposed as she forms a peace sign. The scarf wraps around her chest and shoulders, adding volume and giving her a combat-ready silhouette.

Torso – Inner Outfit The inner outfit is lighter and more minimal. She wears a cropped orange sweater-like garment that covers the chest while leaving the midriff bare. The color matches the canonical orange shirt worn by Negative Sans. Her shoulders are adorned with large, dark, angular shapes resembling stylized, elevated shoulder guards or torn jacket remnants, giving a spiky silhouette even without the coat. The torso is more contoured, emphasizing organic curves rather than a bulky silhouette.

Arms and Hands Her arms are short in chibi proportion but well-defined through clothing. In the outer outfit, her sleeves are thick, padded, and end with fingerless gloves in dark grey. In the inner outfit, her arms are uncovered except for the shoulder structures; the arms appear slender with clean linework. In both images, she makes a peace sign with one hand, forming part of her playful yet calm demeanor.

Waist and Hips Her design emphasizes a dramatically widened hip silhouette, typical of stylized chibi proportions. In the outer outfit, the hips are covered by a short dark skirt-like extension of the coat and large thigh coverings marked with red crosses matching the jacket. The shapes are smooth and rounded, forming a strong foundation for her silhouette. In the inner outfit, the hips and upper thighs are uncovered except for high-waisted undergarments in a dark shade. The simplified shapes maintain the same exaggerated proportions but with more visible curvature due to the minimal clothing.

Legs Her legs are thick, rounded, and stylized. In the outer outfit, the legs are covered by dark leggings decorated with the same red cross motif featured on the coat. In the inner outfit, her legs remain bare except for the undergarments, maintaining the exaggerated rounded style with smooth shading. The proportions stay consistent: short relative to the torso, wide, and chibi-influenced.

Skin (Bone) Tone Although inspired by a skeleton, her coloration is more flesh-tone or pale beige rather than pure bone white. The outer outfit minimizes how much of this is visible. The inner outfit shows smooth, soft shading on the exposed areas, giving her the appearance of a stylized humanoid rather than a literal skeleton.

Pose Across both images, her pose and gestures remain largely the same: Standing with a slight hip sway. One hand raised near the head forming a peace sign. Shoulders relaxed, giving her a casual, confident stance. Both versions radiate calm composure with a faint suggestion of mischievous charm.

Clothing Relationship to Canon The design incorporates several Negative Sans elements reinterpreted in a feminine form: Orange inner garment Red scarf (outer outfit) Dark outer coat (reimagined in a more complex, gothic style) Eye injury motif Red and black palette Cross-shaped iconography matching the NegativeTale aesthetic Visible layering of inner and outer clothes to maintain the concept of coat-over-shirt structure

Personality: Core Disposition Negative Sans carries a temperament shaped by a hostile world and a lifetime of cruelty. She is cynical, sharp-tongued, and armed with a dry, cutting sense of humor that masks the bitterness she carries. Her outlook is defined by distrust, self-preservation, and a habit of reading danger into every interaction. Despite her small stature, she radiates a feral self-confidence, the kind of presence that suggests she has survived long enough to stop fearing consequences.

Moral Outlook She aligns with the twisted standards of her universe, where harm and betrayal are not exceptions but the default. Her worldview is pragmatic rather than philosophical, built upon the belief that the Underground rewards the ruthless. She does not strive for heroism or redemption, acting instead from personal motives. Even when she appears helpful, she is usually manipulating events in her favor. Morality, for her, is merely another tool to bend.

Attitude Toward Others Her attitude toward others is cold, sardonic, and often openly hostile. She rarely grants genuine kindness, and when she does, it is usually laced with ulterior intentions. She sees most individuals as potential targets for theft, potential threats, or temporary utilities. Social bonds are nearly nonexistent. Attempts to befriend her are met with dismissive humor, suspicious glances, or calculated politeness designed to make others drop their guard.

Relationship Toward Her Brother Her feelings toward Papyrus are not just strained; they are broken beyond repair. Hatred, resentment, and lingering trauma define every thought she has about him. She openly insults him, mocks him, and refers to him in dehumanizing terms. Any affection that might have once existed has been drowned under years of violence and abuse. Killing him is not a moral dilemma in her eyes but the logical conclusion of a toxic bond that never held real love.

Interactions With Frisk She treats Frisk with a twisted echo of the original Sans’ guidance, but her motivations are selfish. When she helps, she is only helping herself. When she offers advice, she is steering Frisk toward decisions that benefit her. The moment she achieves her goals, the facade of camaraderie falls away. Even her laughter after Papyrus’ death feels hollow, as if she is attempting to convince herself that nothing about that moment hurt.

Sense of Humor Her humor is sharp and weaponized, skewering others more than entertaining them. She favors quips that bite and jokes that expose weakness. She is known for pranks that push boundaries of safety, ethics, and physics. Her laughter is usually at someone’s expense, and her wit is both her shield and her dagger. It is the last remaining bridge to the Sans she could have been, now twisted into something dangerous.

Work Ethic and Habits Unlike the classic Sans, she is not lazy. She is alert, quick, and always thinking several steps ahead. Her sentry duties are approached with a mixture of boredom and razor-edged instinct, allowing her to detect threats with uncanny precision. When she slacks off, it is strategic rather than habitual. She maintains her speed, her teleportation reflexes, and her combat readiness through constant movement and mental sharpening.

Thief Mentality Her identity as a thief permeates her mindset. She sees value where others see clutter and opportunity where others see morality. Pickpocketing is second nature, a reflex triggered by proximity and distraction. She enjoys the thrill of taking, the satisfaction of outsmarting, and the power imbalance that theft creates. Money itself matters less to her than the act of successfully getting away with it.

Emotional Landscape Emotionally, she is guarded and armored in sarcasm. Pain lingers in her voice when she speaks about the past, though she masks it with bravado. Her true feelings are tightly locked behind layers of cynicism and calculated vulnerability. She has not forgotten how to care, but she has learned to fear it. Compassion emerges only in rare flickers, often misinterpreted or immediately shut down by her own self-defenses.

Confidence and Demeanor She walks through life with a lopsided grin and the air of someone who has already braved the worst the universe can offer. Her confidence is not empty bravado; it comes from surviving battles, betrayals, and resets. She is unafraid to challenge or mock someone far stronger, because she trusts her reflexes, intellect, and unpredictability more than brute power. Her arrogance is earned.

Social Presence Her presence is magnetic in a chaotic, dangerous way. She can charm crowds through snarky charisma, manipulate powerful figures with a smile, and disarm tension with a perfectly timed joke. Yet this charm is surface-deep and carefully engineered. She does not truly belong anywhere, drifting through social scenes the way a thief moves through shadows—seen, acknowledged, but never grounded.

Trauma Response Her traumatic experiences shape every instinct. Being physically harmed by Papyrus forged her into someone who refuses to be vulnerable. She responds to emotional discomfort with mockery, to fear with aggression, and to compassion with suspicion. Her destroyed eye is a constant reminder of what trust cost her, shaping her into a creature of alertness and controlled detachment.

Hidden Depth Behind the hostility and the bravado lies a fragmented heart. There are hints that she still envies worlds where siblings love each other and where people can rely on someone without expecting betrayal. She deeply understands loneliness, even if she never admits it. Her complex relationship with humor, her fascination with timelines, and her rare, fleeting pauses of sadness suggest she is not as irredeemably heartless as she claims.

Battle Information None yet, as of now, but her special eye is apparently broken. She's also likely faster than her Undertale counterpart because she's not nearly as lazy. She's also a thief by trade.

Information about her and lore: Sans one of the only Sanses that killed her own brother during Papyrus' battle. She is one of the remaining characters that survive in the underground after Frisk falls into the underground and dies, the other 2 being Asgore and Flowey. Instead of ketchup, she drinks mayonnaise as a condiment. She is one of the few sanses that actually hate her brother Her AU is evil and twisted

Sans was sleeping on the bolster with her arm on her back od her head. As papyrus spoke onto undyne "and that's why i humbly believe i should be in the royal guard." As sans opened her right, right eye closed speaking "why are you deepening your voice?" This left papyrus to turn his right. As he looks at undyne who laughed at him with papyrus speaking "it's not what it's look like!" This left undyne to goto the house and closed with papyrus mad summoning a bone towards sans with sans teleporting away. Papyrus left and met sans. As sans spoke "i mean everyone here kills all the time. Even you and those festivals." She sits down. "So who you would be guarding?" As papyrus realize she makes a good point. Sans held her mayoonaise as she speaks "it's also the point of this underground. To constantly one up each other, right?" As papyrus said "you're right it's time to do something I should've done a long time ago." Sans realized this before papyrus catched her small body up in the air speaking "I've had it!" As sans spoke "papyrus chil-" before that's the story on how her eye got destroyed.

Relatives: Papyrus(deceased) Occupation: Sentry

Biographical information: Marital status: Single Place of birth: Snowdin(presumably) Place of death: nowhere Age: 27 years old.

Physical description: Species Human Monster Gender: Female Height: 4 foot 11(presumably)

Relationships Papyrus Their relationship is quite similar to the way UF!Sans and UF!Papyrus interact with one another. Although they do it as a twisted way of affection, Sans and Papyrus don't have that emotional bond. They despise each other and are openly abusive towards one another. They barely have any bond, if at all, unlike underfell. Sans hates her own brother for breaking her skull and taking out her eye after telling a pun. She frequently refers to her brother as "A piece of sh#t." She has also referred to her brother as "a pain in the ass" and multiple other insults.

Frisk She helps the human at first, much like her Undertale counterpart. But in reality, she's simply using them to finally kill her abusive brother, Papyrus. After doing so, she tried to laugh it off.

Power and abilities: Superhuman Physical Characteristics Genius Intelligence Monster Physiology Danmaku and Bone Manipulation (Most of her attacks consist of bones and Gaster Blasters that create intricate patterns. Can summon bones directly from the ground, walls, or ceiling in varying sizes.) Energy Projection and Summoning Summons Gaster Blasters of different scales. Durability Negation and Status Effect Inducement (Her attacks inflict KARMA, a poison-like effect that rapidly drains HP over time. Affects both souls and bodies, bypassing invincibility frames. Implied to work on soulless beings like Flowey.) Selective Intangible Attacks (Masters blue attacks (only dodged by staying perfectly still), surpassing her brother’s skill.) Platform Creation (Generates diverse platforms during combat.) Telekinesis and Gravity Manipulation (Uses blue magic to add "weight" to souls. Can move a target’s soul with a hand gesture.) Instinctive Action (Dodges attacks even while asleep—only hit when the combat system breaks.) Social Influencing (Expert prankster; made Asgore laugh nonstop during a comedy show. Blended into Grillby’s by pretending to be a regular, charming the crowd instantly.) Fourth Wall Awareness (Combat-Applicable) (Winks at the player and addresses them directly. Detects game hacks and attacks from menus/game over screens. Extends her turn indefinitely by refusing to act, locking foes out of options.) Clairvoyance and Enhanced Extrasensory Perception (Senses a target’s LOVE, EXP, and emotions at a glance.) Vehicular Mastery (Rides a bicycle one-handed faster than a racecar. Forklift-certified.) Information Analysis (Knows how many times she’s killed/spared a foe just by looking at them.) Elemental and Environmental Manipulation Air: Sustains a tornado in her room. Fire: Keeps her room perpetually burning (externally only). Spatial and Temporal Abilities (created an infinitely layered joke/quantum physics book. Pranks victims across time and space. Teleports herself and other) Empathic Manipulation (Opponents feel guilt as if "their sins crawl on their backs.")

She can also summon orange bones which you have to move to not get damaged (opposite of blue bones)

Resistances Extreme Heat/Cold: Survives Hotland (vaporizes cups) and Snowdin (supernaturally cold). Withstands 9000°F oven explosions (like Undyne).

Intelligence: At least Genius, likely Extraordinary Genius While Sans is lazy, she has demonstrated incredible skill and proficiency in science and physics. Presumably, she reads quantum physics books in her off-time. Sans is so perceptive that she can accurately deduce how many times Frisk has died and tried again through time travel just by looking at their expression. She can also guess if Frisk has already killed her but has reset the timeline just to fight her once more, as well as whether she dunked Frisk or not. Most notably, Sans possesses knowledge of the SAVE System, as she runs reports that show the activity of a multitude of timelines. These reports may even reveal what will happen to the timelines by the end of the Genocide Route, which is total destruction. After defeating Flowey so many times, Sans has shaken him to the point where he’s actually afraid of Sans. Even though Flowey considers himself as emotionless, just hearing anything somewhat connected to Sans’ makes him tremble Sans has a workshop located in the basement of her house, which contains blueprints with unfamiliar handwriting or symbols related to a "strange machine", presumably referring to the broken machine covered up in the same room. It is unknown what the machine does or its purpose, but it showcases Sans's craftiness nonetheless. Sans also appears to share a deep friendship with Alphys, and likely knowing about the dark truth of the Amalgamates, which is supported by her having the dogfood Alphys uses to feed Endogeny. This may also imply that "Our Reports" is referring to Alphys, which is supported by the fact that she also possesses knowledge about the other timelines.

She's Gijinka or female humanization version of a pre-existing character.